scoring_breakdown:[{"source":"word_of_mouth","score":86.5,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为该分线器做工扎实,插头紧致不松动,音质无明显损耗,性价比极高。多数好评集中在\"双人共享方便\"\"兼容性好\"上,部分用户反馈线材偏硬、长度较短,但整体满意度高,适合日常简单分音需求。差评较少,偶有接触不良案例,但售后响应及时。","source_count":0}},{"source":"objective","score":94,"weight":0.5,"confidence":0.7,"details":{"dimension":"battery","rating_avg":4.7,"review_count":58000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":94,"weight":0.15,"confidence":1,"details":{"rating_avg":4.7,"review_count":58000,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["数码博主@科技小辛:绿联这款分线器是宿舍党必备,十几块钱解决双人听歌问题,音质没毛病。","音频评测师@耳机林sir:入门级分线器里绿联的做工和稳定性属于第一梯队,适合非发烧友日常使用。"]}}]